Natural Chemistry Spa pH Decreaser, 3.37 lb Bottle | 14203NCM Pool Hoses ) 1oz per 500 gallons

) 1oz per 500 gallons of spa water

Single-cartridge system

Natural Chemistry PhosFree - 2 L Bottle

When installing

small rabbits

Natural Chemistry Spa pH Decreaser, 3.37 lb Bottle | 14203NCM Pool Hoses ) 1oz per 500 gallonsNatural Chemistry Spa pH Decreaser 3. 37 lb Bottle Natural Chemistry's Spa pH Decreaser lowers the pH of water in spas. Spa water should be maintained between a pH of 7. 2 and 7. 6. When pH is too high (above 7. 6), water becomes uncomfortable to bathers, sanitizers lose their efficiency, water may become cloudy and scale forms more readily. Prevents scale buildup, cloudy water conditions, and bather discomfort Features and Benefits: Lowers pH in spa